On 12/02/2018 17:56, Graeme Wall wrote:
On 12/02/2018 16:52, Andrew wrote:
On 11/02/2018 20:59, Don Pearce wrote:
On Sun, 11 Feb 2018 20:18:56 +0000, Andrew
wrote:
How do these work if only a 6 inch stub sticks out of the roof ?
To get a decent FM signal indoors I need a dipole of some sort
that is about 59 inches long, plus reflector and director.
I ask this because I am getting interference on 88.50 Mhz
from Rowridge, but not all the time. Earlier today it
was bad, but the other BBC FM stations were not affected.
When I drove into town, FM R2 on my car radio was fine,
but I don't know what transmitter it is picking up. No
interference at all. Strange.
I am midway between IOW and Wrotham.
Poorly is how they perform. Much better to have a telescopic antenna
that rises to about a quarter wave (75 cm). If you live in a poor
signal area with interfering transmitters coming in, a directional
antenna is the only answer, and you can't have that on a car.
How about DAB? That works 100% better than FM in a car.
d
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DAB is rubbish where I live, and I only want to find out why
88.50 (R2) from the IOW is regularly plagued with much more
hissing than usual, plus a buzzing and faint crackling too.
(But R1,3 and 4 were not afflicted the same way). It's
indoors FM reception that am interested in. I have a 3-element
fm aerial in the loft pointing at the IOW.
Awful yesterday, but today it is fine. It was only when I
went out at 2PM to check out Currys instant sale that I
noticed that my car radio picked up R2 FM without any
interference at all.
Somebody local with a badly suppressed piece of equipment?
except that it clobbers 88.50 Mhz, but not the other three
BBC FM channels from the same xmitter.
Aha :-
http://www.bbc.co.uk/reception/engineeringnews/item5
http://www.bbc.co.uk/receptionsearch
However, by entering "reception problems" into the search
box on the BBC homepage, you don't get any link to this
at all !!. had to use Mr Google to find it.